It's true ! Very good Phil...fascinating discussion. 73, F5VJC a Crimper
On 12 December 2013 02:39, Phil Hystad <[email protected]> wrote: > My wife claims that ham radio operators only talk about boring subjects > like "Antennas" when they are on the air. I had to show her this latest > stream on crimpers to prove to her that life in ham radio is not only an > adrenaline rush but informative too. > > > On Dec 11, 2013, at 5:20 PM, Harlan <[email protected]> wrote: > > > I run a calibration lab. We use go-no go gauges to test crimpers. The > allowed tolerance for the gauges are three-ten thousands of an inch... yes > good crimpers are an accurate instrument... and they should only be used > with lugs/wire sizes specified for them > > > > Sent from my Verizon Wireless 4G LTE DROID > > > > Walter Underwood <[email protected]> wrote: > > > >> I agree. The point of a good crimper is to get a controlled force on > the joint to create a reliable mechanical-electrical joint. Putting > something springy in there, like insulation, is asking for trouble. > >> > >> wunder > >> K6WRU > >> > >> On Dec 11, 2013, at 3:48 PM, bill conkling <[email protected]> wrote: > >> > >>> Crimping the wire over the insulation doesn't seem too good to me. > >>> > >>> I have used a dab of hot melt glue to stabilize the wire at the rear > of the PP Plastic. > >>> > >>> ...bill nr4c > >>> > >>> Sent from my Verizon Wireless 4G LTE DROID > >>> > >>> EricJ <[email protected]> wrote: > >>> > >>>> I don't usually do that because the wire exiting the APP barrel is > still > >>>> just a small strand that flexes easily and can eventually break. It > >>>> gives you a lot more surface area for crimping, but needs strain > relief > >>>> to be secure in the long run. > >>>> > >>>> What I do is strip the wire the same length as normal, then fold it > back > >>>> over the insulation. I insert the wire and insulation into the barrel > >>>> with the wire down (away from the split in the barrel), then crimp > >>>> normally. This makes a solid electrical connection with the stiffness > of > >>>> the wire insulation which also provides more than adequate strain > relief. > >>>> > >>>> I've mentioned it here before and some are aghast, but I have maybe a > >>>> dozen connections like that currently in my shack and not one of them > >>>> has ever failed in the 10 years I've been doing it with APPs. But any > >>>> connection where this is necessary is a low voltage, low current DC > >>>> connection so what's it going to hurt? It isn't any worse electrically > >>>> than using a small wire nut which is considered safe enough even for > >>>> house wiring. > >>>> > >>>> Eric > >>>> KE6US > >>>> > >>>> > >>>> > >>>> On 12/11/2013 9:41 AM, Edward R Cole wrote: > >>>>> A little off topic: > >>>>> > >>>>> I wonder if any of you do what I do when using wires are too small > for > >>>>> crimp connectors? I strip twice as much insulation from the end of > >>>>> the wire and then fold the bare wire over double. May have to > squeeze > >>>>> using small nose pliers to get it doubled tight enough to fit inside > >>>>> the crimp connector. The crimps hold the undersized wire very well > >>>>> with this procedure. > >>>>> > >>>>> BTW this works for solid conductor wire, like hookup wire. Bend the > >>>>> conductor double and there is something for the crimp to hold. > >>>>> > >>>>> I do not know if this will work with powerpole connectors. My > problem > >>>>> was having too large diameter wire for the powerpole connectors which > >>>>> inhibited proper crimping; solution chose proper size connector for > >>>>> the wire size selected. > >>>>> > >>>>> 73, Ed - KL7UW > >>>>> > >>>>> --------------------- > >>>>> Date: Wed, 11 Dec 2013 09:00:11 -0500 > >>>>> From: Don Wilhelm <[email protected]> > >>>>> To: "Charlie T, K3ICH" <[email protected]>, [email protected] > >>>>> Subject: Re: [Elecraft] K3 Powerpole Replacement > >>>>> Message-ID: <[email protected]> > >>>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed > >>>>> > >>>>> Charlie, > >>>>> > >>>>> The PowerWerx crimper is good. Just be certain to fill the cavity > with > >>>>> wire - for instance the 30 amp connectors are sized for #12 wire - if > >>>>> the wire is smaller, it may be loose, so in addition to filling the > >>>>> barrel with as many wire strands as I can, I add some solder for > extra > >>>>> security. > >>>>> > >>>>> 73, > >>>>> Don W3FPR > >>>>> > >>>>> > >>>>> > >>>>> 73, Ed - KL7UW > >>>>> http://www.kl7uw.com > >>>>> [email protected] > >>>>> "Kits made by KL7UW" > >>>>> ______________________________________________________________ > >>>>> Elecraft mailing list > >>>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft > >>>>> Help: http://mailman.qth.net/mmfaq.htm > >>>>> Post: mailto:[email protected] > >>>>> > >>>>> This list hosted by: http://www.qsl.net > >>>>> Please help support this email list: http://www.qsl.net/donate.html > >>>>> > >>>>> > >>>> > >>>> ______________________________________________________________ > >>>> Elecraft mailing list > >>>> Home: http://mailman.qth.net/mailman/listinfo/elecraft > >>>> Help: http://mailman.qth.net/mmfaq.htm > >>>> Post: mailto:[email protected] > >>>> > >>>> This list hosted by: http://www.qsl.net > >>>> Please help support this email list: http://www.qsl.net/donate.html > >>>> > >>> ______________________________________________________________ > >>> Elecraft mailing list > >>> Home: http://mailman.qth.net/mailman/listinfo/elecraft > >>> Help: http://mailman.qth.net/mmfaq.htm > >>> Post: mailto:[email protected] > >>> > >>> This list hosted by: http://www.qsl.net > >>> Please help support this email list: http://www.qsl.net/donate.html > >> > >> -- > >> Walter Underwood > >> [email protected] > >> > >> > >> > >> ______________________________________________________________ > >> Elecraft mailing list > >> Home: http://mailman.qth.net/mailman/listinfo/elecraft > >> Help: http://mailman.qth.net/mmfaq.htm > >> Post: mailto:[email protected] > >> > >> This list hosted by: http://www.qsl.net > >> Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ > > Elecraft mailing list > > Home: http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:[email protected] > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
